<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <script src="https://cdn.jsdelivr.net/npm/vue@2.6.10/dist/vue.js"></script>
  </head>

  <body>
    <div id="app">
      <!-- 单个复选框 -->
      你是否同意此协议?
      <input type="checkbox" v-model="isAgree" /><br />
      <!-- 多个个复选框 -->
      请选择你喜欢的城市:
      <input type="checkbox" value="北京" v-model="likeCity" /> 北京
      <input type="checkbox" value="上海" v-model="likeCity" /> 上海
      <input type="checkbox" value="武汉" v-model="likeCity" /> 武汉
      <input type="checkbox" value="深圳" v-model="likeCity" /> 深圳
    </div>
    <script>
      Vue.config.productionTip = false;
      //实例化Vue
      const vm = new Vue({
        el: "#app",
        data() {
          return {
            isAgree: false,
            likeCity: [],
          };
        },
      });
    </script>
  </body>
</html>
